Cllena Digital Multimeter Current Tester & Voltage Tester for Boat Marine Vehicle Motorcycle Truck ATV UTV Car Camper LED Round Panel(Red LED) Waterproof for Car Boat Marine Vehicle Motorcycle Truck ATV UTV Input voltage: 12V-24V DC; LED light: Red; EASY to install Measure voltage: 0-30V/0-15A great mini voltmeter to monitor your vehicle battery status Size: 1.4'' x 1.4'' x 1.57'' Interface type: Anode and Cathode Meterial: Environmental protection engineering plastic shell